.flatpickr-calendar, .flatpickr-rContainer, .flatpickr-days{
    background-color: #efefef;
    color: #000;
}
.flatpickr-monthDropdown-months, .numInputWrapper{
    background-color: #fff!important;
    color: #000!important;
}
.flatpickr-time{
    background-color: #f1f1f1!important;
    color: #000!important;
}